YARN-701. Use application tokens irrespective of secure or non-secure mode. Contributed by Vinod K V.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504604 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5265. History server admin service to refresh user and superuser group mappings. Contributed by Ashwin Shankar


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504645 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4996. ClientProtocol#metaSave can be made idempotent by overwriting the output file instead of appending to it. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504679 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9164. Print paths of loaded native libraries in NativeLibraryChecker. (Binglin Chang via llu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504700 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9717. Add retry attempt count to the RPC requests. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504725 13f79535-47bb-0310-9956-ffa450edef68
YARN-814. Improving diagnostics when containers fail during launch due to various reasons like invalid env etc. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504732 13f79535-47bb-0310-9956-ffa450edef68
YARN-918. Remove ApplicationAttemptId from RegisterApplicationMasterRequestProto. Contributed by Vinod K V.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504735 13f79535-47bb-0310-9956-ffa450edef68
Fixed CHANGES.txt to reflect that all fixes in 2.1.1-beta are now in 2.1.0-beta.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504738 13f79535-47bb-0310-9956-ffa450edef68
Fixed CHANGES.txt to reflect that new content in branch-2 goes to hadoop-2.3.0.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504742 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5007. Replace hard-coded property keys with DFSConfigKeys fields. Contributed by Kousuke Saruta.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504764 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4278. Log an ERROR when DFS_BLOCK_ACCESS_TOKEN_ENABLE config is disabled but security is turned on. Contributed by Kousuke Saruta. (harsh)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504784 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9748. Reduce blocking on UGI.ensureInitialized (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504874 13f79535-47bb-0310-9956-ffa450edef68
ADOOP-9643. org.apache.hadoop.security.SecurityUtil calls toUpperCase(Locale.getDefault()) as well as toLowerCase(Locale.getDefault()) on hadoop.security.authentication value. (markrmiller@gmail.com via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504965 13f79535-47bb-0310-9956-ffa450edef68
YARN-919. Document setting default heap sizes in yarn env.sh Contributed by Mayank Bansal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1504970 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9751. Add clientId and retryCount to RpcResponseHeaderProto.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1505036 13f79535-47bb-0310-9956-ffa450edef68
YARN-897. Ensure child queues are ordered correctly to account for completed containers. Contributed by Djellel Eddine Difallah.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1505146 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5010. Reduce the frequency of getCurrentUser() calls from namenode. Contributed by Kihwal Lee.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1505160 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4602. TestBookKeeperHACheckpoints fails. Contributed by Uma Maheswara Rao G.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1505362 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5018. Misspelled DFSConfigKeys#DFS_NAMENODE_STALE_DATANODE_INTERVAL_DEFAULT in javadoc of DatanodeInfo#isStale(). Contributed by Ted Yu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1505603 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9754. Remove unnecessary "throws IOException/InterruptedException", and fix generic and other javac warnings.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1505610 13f79535-47bb-0310-9956-ffa450edef68